Clamp-on Power Meters Model CW120 (DISCONTINUED)

Notice: This product was discontinued on Sep 12, 2016. See this replacement product:
  • Compact & lightweight body with large back-lit LCD
  • Current clamps in a range of sizes(small to large diameter)
  • Support for large-capacity ATA flash memory (equipped with PC card slot)
  • Data can be saved at from 1 second
  • Wiring error check function
  • 2 or 3-load system
  • Simultaneous measurement of multiple use possible by external control terminal
  • Parameters setting tool is included to set measurement conditions through PC

* CW121 was discontinued on 12 Sep. 2016 .

General Description Input System: Single-phase 2-wire to 3-phase. 3-wire (CW120) or 4-wire (CW121)
Features: Large capacity of memory (ATA flash memory card), Wiring error check function, 2 or 3-load system, Support variety of network communication protocols
Measuring Function V/A / Active power / Reactive power / Power factor (lead/leg) / Frequency / Active electric energy / Regenrative electric energy (Only for data saving)


Input Voltage 150/300/450V Range(CAT III 600V) Max:450V+10%
Current 5/10/20/50/100/200/500/1000A Range
Wiring Method

CW120: Single-phase 2-wire, Single-phase 3-wire, 3-phase 3-wire,Single-phase 2-wire 2-load system

CW121: Single-phase 2-wire, Single-phase 3-wire, 3-phase 3-wire, 3-phase 4-wire,Single-phase 2-wire 2 or 3-load system

Accuracy 1.2%(0.8% rdg + 0.4% rng)(Depend on Clamp probe to use)

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